There has been no change but perhaps your browser was just updated to display the "not secure" label. The site is http - not httpS and browsers now alert you to this.
That said, the login page where passwords are passed is secure. Since we don;t keep financial info here or do transactions this seems sufficient for now.
You can read more about this here: https://www.howtogeek.com/359298/why...cure%E2%80%9D/